Paid Membership Subscriptions – Effortless Memberships, Recurring Payments & Content Restriction <= 2.12.8 - Reflected Cross-Site Scripting

The Paid Membership Subscriptions – Effortless Memberships, Recurring Payments & Content Restriction plugin for WordPress is vulnerable to Reflected Cross-Site Scripting due to the use of add_query_arg without appropriate escaping on the URL in all versions up to, and including, 2.12.8. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

在Web页面生成时对输入的转义处理不恰当(跨站脚本)

WordPress plugin Paid Membership Subscriptions 跨站脚本漏洞

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Paid Membership Subscriptions 2.12.8 版本及之前版本存在跨站脚本漏洞，该漏洞源于使用 add_query_arg 时未对 URL 进行适当的转义，导致反射型跨站脚本漏洞。

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